操作系统多线程与文件系统实现

上传者: liubin_09 | 上传时间: 2021-06-16 19:55:05 | 文件大小: 2.17MB | 文件类型: ZIP
使用turbo c提供interrupt关键,在每次时间片中断函数时保存现场的功能实现函数之间的切换;加上TCB管理的结构体,实现线程调度。 物理文件的存储结构 引导块区 FAT区 i节点区 数据区 实现的命令集 命令名称 使用举例 说明 format format 1024 格式化硬盘 open open filesystem 打开上次保存的文件系统 cd cd filename 改变当前目录 mkdir mkdir newdir 新建文件夹 create create newfile 新建文件 del del file 删除文件或文件夹 write write f a 以追加的形式写文件 write f 以覆盖的形式写文件 cat cat f 打印文件内容 ls ls 打印当前目录的子文件 print print 打印fat表的使用情况 flush flush 将内存中模拟的区域写到真实文件中 close close 结束此次操作,推出系统 cls cls 清屏

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